You should not, the filtering is there for a reason and if you attempt to bypass it you will most likely be violating policy which could lead to negative action being taken against you.
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www.d.leraninginvestment.com scroll down to almost the bottom. youtube vids and facebook apps don't work tho. don't tell or your friends or they will block it.
Opera Mini is an app i have on my ipod that gets around the barracuda web filter. So i can use facebook and youtube. VPN service is also a good and reliable solution to bypass barracuda web filter....